This is a more honest answer than the one provided by Bob.
"they will all come fitted for the OBIGGS as this had to be
agreed and paid for now as it was being done as part of the ac construction.
The additional parts to make it work could be bought at a later date.
The cost cutting is getting pretty daft; we are now down to one sim vice 2
because that will save money - the fact that there won't be enough training
time in the sim means that ac will have to be used for training - at a cost
FFS!!